package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;


@RestController
@RequestMapping("/admin/dish")
@Slf4j
@ApiOperation("菜品管理")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /*
      * 新增菜品
     */
    @PostMapping
     @ApiOperation("新增菜品")
    public Result<String> save(@RequestBody DishDTO dishDTO) {
         log.info("新增菜品：{}", dishDTO);
         dishService.saveWithFlavors(dishDTO);

         //清理redis缓存数据
         cleanCache("dish_" + dishDTO.getCategoryId());
         return Result.success();
    }

    /*
      * 菜品分页查询
     */
    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询，参数为：{}", dishPageQueryDTO);
        dishService.pageQuery(dishPageQueryDTO);
        return Result.success(dishService.pageQuery(dishPageQueryDTO));
    }

    /*
    *  批量删除
     */
    @DeleteMapping
    @ApiOperation("批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除，参数为：{}", ids);
        dishService.deleteBatch(ids);

        //删除所有的菜品缓存数据。所有dish开头的缓存数据
        cleanCache("dish_*");
        return Result.success();
    }

    /*
    根据id查询
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询，参数为：{}", id);
        return Result.success(dishService.getByIdWithFlavors(id));
    }

    /*
    修改菜品
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品，参数为：{}", dishDTO);
        dishService.updateWithFlavors(dishDTO);

        //删除所有的菜品缓存数据。所有dish开头的缓存数据
        cleanCache("dish_*");

        return Result.success();
    }

    /*
    修改菜品状态
     */
    @ApiOperation("修改菜品状态")
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("修改菜品状态，参数为：{}", status);
        dishService.startOrStop(status, id);

        //删除所有的菜品缓存数据。所有dish开头的缓存数据
        cleanCache("dish_*");

        return Result.success();
    }

    /*
    查询菜品选项
     */
    @ApiOperation("查询菜品选项")
    @GetMapping("/list")
    public Result<List<Dish>> list(Integer categoryId){
        log.info("查询菜品选项，参数为：{}", categoryId);
        return Result.success(dishService.list(categoryId));
    }

    /*
    * 清理缓存
     */
    // TODO 这个方法需要完善
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
